We’re closing in the final release! 
Thank you all for the dedicated support and reviewing of those last beta/RC! 
You can download the RC4 already from our download servers:
History
First RC: First RC of Nextcloud 30 - Hub 9
Second RC: RC2 of Nextcloud 30 - Hub 9
Third RC: RC3 of Nextcloud 30 - Hub 9
What changed
- Chore(deps): bump @nextcloud/dialogs from 5.3.5 to 6.0.0 (server#47456)
- Fix: write object to the correct urn when moving from another storage to object store (server#47484)
- Feat(files): Allow more than 50 favorite views (server#47555)
- Fix: re-enable content-length header via htaccess (server#47619)
- Fix(config): Avoid error messages for restricted opcache API (server#47621)
- Fix: Do not fail to get internal path on NonExistingFile (server#47625)
- Fix: Adjust filename validation messages (server#47626)
- [TaskProcessing] Use taskprocessing in TextProcessing and STT managers (server#47633)
- Fix(css): Adjust header styles to only add focus-visible styles to menu (server#47641)
- Fix(UnifiedSearch): Restore normal dialog size (server#47644)
- Fix(settings): Hide forbidden UI elements for group managers (server#47651)
- Chore(deps-dev): bump ts-jest from 29.2.4 to 29.2.5 (server#47653)
- Fix(files): Node loading information should be accessible (server#47666)
- Fix npm audit (server#47667)
- Fix(files): Correctly parse external shares for files UI (server#47691)
- Fix(css): make scrollbar visible again (server#47693)
- [LinkReferenceProvider] Better size check (server#47695)
- [Oauth2] Store hashed secret instead of encrypted (server#47699)
- Fix(settings): Don’t display built-in task types in AI settings TextP… (server#47710)
- Fix(settings): Fix sharing exclude groups from password requirement option not working (server#47716)
- Fix(files): Fix navigating with breadcrumbs not highlighting navigation entry (server#47719)
- Fix: only keep major as server version (server#47720)
- Fix: Do not throw if appstore is unavailable during upgrade (server#47726)
- Fix(jobs): Switch to executeStatement() while deleting rows (server#47728)
- Chore: Improve isEncrypted description (server#47729)
- Fix status check and saving of external storages (server#47733)
- Fix(files): undefined sidebar (server#47748)
- Fix(files): Create non-existent parents of mountpoints (server#47751)
- Fix(files): undefined displayname for outdated
@nextcloud/files<3.6.0 apps (server#47753) - Fix(appstore): Cache apps.json also on dev instances (server#47764)
- Fix: add option to remove the webroot for setup checks and don’t chec… (server#47775)
- Fix: Use sha256 to hash arguments of background jobs (server#47778)
- Feat(transfer-ownership): Correctly react to encrypted files (server#47781)
- Fix npm audit (files_downloadlimit#356)
- Chore(deps-dev): Bump axios from 1.7.4 to 1.7.5 (files_pdfviewer#1028)
- Chore(deps-dev): Bump axios from 1.7.5 to 1.7.6 (files_pdfviewer#1040)
- Chore(deps-dev): Bump adm-zip from 0.5.15 to 0.5.16 (files_pdfviewer#1041)
- Update nextcloud/ocp dependency (firstrunwizard#1345)
- Chore(deps): audit dependencies (notifications#2022)
- Fix npm audit (photos#2623)
- Update nextcloud/ocp dependency (serverinfo#672)
- Allow viewing of attachments when shared by mail (text#6284)
- Fix: hide menu Link to file for direct editing (text#6290)
- Chore(deps): update dependency @rollup/rollup-linux-x64-gnu to ^4.21.2 (text#6297)
- Chore(deps): update dependency rollup-plugin-webpack-stats to ^1.0.3 (text#6298)
- Fix(deps): update tiptap to ^2.6.6 (text#6299)
- Fix(deps): update dependency @nextcloud/auth to ^2.4.0 (text#6301)
- Fix(deps): update dependency @nextcloud/vue to ^8.17.1 (text#6302)
- Update nextcloud/ocp dependency (text#6306)
- Fix npm audit (text#6309)
- Fix: Correctly set “new”-menu entry for folder description (text#6312)
- Fix: Reuse NcAutoCompleteResult, remove code duplication (text#6313)
- Fix(Table): Fix pasting content with newlines to table cells (text#6319)
- Fix(mention): No extra whitespace in markdown before/after mentions (text#6321)
- Chore(deps): update dependency @types/dockerode to ^3.3.31 (viewer#2424)
- Chore(deps): update dependency vite to ^5.4.3 (viewer#2425)
- Chore(deps): update cypress (viewer#2449)
- Chore(deps): update dependency tslib to ^2.7.0 (viewer#2450)
- Fix(deps): update nextcloud (viewer#2451)
- Chore(deps): lock file maintenance (viewer#2457)
- Update cypress snapshots (viewer#2462)